Tube
Amp
Technology
Guitar Speaker Cabinet
E412
Technical Information
1. basic technical information to all ENGL 412 speaker cabinets
R
SPEAKER CABINET
8
L
8
L
8
R
8
R
E412 cabinet:
Front layout
THRU / RIGHT INPUT jack
in Mono mode:
you can use this jack as thru connector
to route the signal to an additional cabinet,
refer to example #3;
in Stereo mode:
use this jack as input connector
for the right speaker side (R;)
INPUT / LEFT jack
in Mono mode:
use this jack as input connector;
in Stereo mode:
use this jack as input connector
for the left speaker side (L);
MONO / STEREO switch
select Mono or Stereo mode;
Mono mode:
4 speakers overall impedance 8 ohms;
Stereo mode:
2 speakers each stereo channel,
16 ohms impedance per channel;
The following pages depicts a few
samples for diverse setups between
amplifiers an speaker 412 cabinets.
THRU
RIGHT
MONO
STEREO
INPUT
LEFT
E412 speaker cabinet:
rear connection panel
8
INPUT
LEFT
jack
L
THRU
RIGHT
jack
8
STEREO
R
MONO
switch
E412
cabinet:
wiring
diagram
8
R
8
L
8: 8 ohms speaker impedance
R: speaker right side
right stereo channel
L: speaker left side
left stereo channel
overall impedance Mono mode:
8 ohms
overall impedance Stereo mode:
2 x 16 ohms
Important note:
ensure that the Mono / Stereo switch
is set to "Stereo" before you connect
the cabinet to 2 poweramp outputs!
switch setting:
Mono
mode
MONO
Stereo
mode
MONO
STEREO
STEREO
2. one100 watts amp head combined with one ENGL 412 speaker cabinet
R
412 cabinet:
Ch I Gain
Bass
Middle
Treble-Clean
Treble-Crunch
Clean Volume Crunch Volume
Presence
Depth Punch
BrightBottom
Tube
Amp
Ch II Gain
Bass
Mid-open
Input
Lo Lead
Hi Lead
Bottom
Bottom
V1 V2 V3 V4
Power Tube Monitor
Mid-focused
Treble
Lo Lead Vol.
Hi Lead Vol.
open/
focused
Powerball
R
6L6GC
powered
Master A
Master B
Gain
Ch I /II
Lo /Hi
Stand By
Power
SPEAKER CABINET
THRU
rear connection panel
set to
Mono
MONO
INPUT
8
L
8
L
8
RIGHT
STEREO
R
speaker impedance: 8 ohms
output impedance: 8 ohms
8
R
48Or 8And Or-> 816Or 16And 16
4 Ohms Parallel
1 x 4 Ohms
2 x 8 Ohms
Amp head: Poweramp Output
8 Ohms Parallel
1 x 8 Ohms
2 x 16 Ohms
3. one 100 watts head combined with two ENGL 412 speaker cabinets
THRU
RIGHT
1 x 4 Ohms
2 x 8 Ohms
THRU
RIGHT
R
412 cabinet #1:
rear connection panel
set to
Mono
MONO
STEREO
option 1 & 2
8 Ohms Parallel
1 x 8 Ohms
2 x 16 Ohms
R
412 cabinet #2:
rear connection panel
set to
Mono
MONO
STEREO
speaker
Ch I Gain
Bass
Middle
Treble-Clean
Treble-Crunch
Clean Volume Crunch Volume
Presence
Depth Punch
BrightBottom
Tube
Amp
Ch II Gain
Bass
Mid-open
Input
Lo Lead
Hi Lead
Bottom
Bottom
V1 V2 V3 V4
Power Tube Monitor
Mid-focused
Treble
Lo Lead Vol.
Hi Lead Vol.
open/
focused
8
L
Powerball
R
6L6GC
powered
Master A
Master B
Gain
Ch I /II
Lo /Hi
Stand By
Power
8
R
impedance:
cabinet #1
8 ohms;
cabinet #2
8 ohms;
connected
in parallel:
4 ohms;
output
impedance:
4 ohms;
SPEAKER CABINET
option 2
8
L
8
L
8
L
8
R
8
R
option 1
use either
option 1:
cabinet #2
connected
to the
4 ohms
Poweramp
Output
or
option 2:
cabinet #2
connected
to THRU
jack of
cabinet #1
48Or 8And Or-> 816Or 16And 16
4 Ohms Parallel
Amp head: Poweramp Output
SPEAKER CABINET
8
R
LEFT
16 Ohms
INPUT
LEFT
16 Ohms
INPUT
LEFT
4. two 100 watts amp heads or a Stereo Poweramp (e.g. E850) combined with
one ENGL 412 speaker cabinet set to stereo mode
R
412 cabinet:
BrightBottom
Tube
Amp
Ch II Gain
Bass
Mid-open
Input
Lo Lead
Hi Lead
Bottom
Bottom
Ch I Gain
Bass
Middle
BrightBottom
Tube
Amp
Ch II Gain
Bass
Mid-open
Input
Lo Lead
Hi Lead
Bottom
Bottom
V1 V2 V3 V4
Power Tube Monitor
Mid-focused
Treble
Lo Lead Vol.
Hi Lead Vol.
open/
focused
Treble-Clean
Treble-Crunch
Clean Volume Crunch Volume
V1 V2 V3 V4
Power Tube Monitor
Mid-focused
Treble
Lo Lead Vol.
Hi Lead Vol.
open/
focused
Powerball
R
6L6GC
powered
Master A
Master B
Gain
Ch I /II
Lo /Hi
Stand By
Power
Presence
Depth Punch
Powerball
R
6L6GC
powered
Master A
Master B
Gain
Ch I /II
Lo /Hi
Stand By
Power
THRU
RIGHT
Ch I Gain
SPEAKER CABINET
Bass
Middle
Treble-Clean
Treble-Crunch
Clean Volume Crunch Volume
Presence
Depth Punch
rear connection panel
set to
Stereo
MONO
STEREO
INPUT
LEFT
8
L
8
L
8
R
8
R
speaker impedance:
16 ohms Left side
16 ohms Right side
output impedance:
16 ohms
at each poweramp
or stereo channel
48Or 8And Or-> 816Or 16And 16
4 Ohms Parallel
1 x 4 Ohms
2 x 8 Ohms
Amp head #1: Poweramp Output
8 Ohms Parallel
1 x 8 Ohms
2 x 16 Ohms
Stereo Poweramp: Left channel
48Or 8And Or-> 816Or 16And 16
4 Ohms Parallel
1 x 4 Ohms
2 x 8 Ohms
Amp head #2: Poweramp Output
8 Ohms Parallel
1 x 8 Ohms
2 x 16 Ohms
Stereo Poweramp: Right channel
5. a 100 watts combo amp combined with one ENGL 412 speaker cabinet
Gain 1 Middle Treble Volume 1 Depth PunchBass Presence
Bright
Tube
Amp
Gain 2 Middle Treble Volume 2
Bass
Input
Reverb
Reverb
8
int.
off / on
Clean
CH 1
Bright
Master
Mid
A/BFXLoop
Boost
RAIDER 100
V1 V2 V3 V4
Power Tube Monitor
Master BMaster A
CH 1
Hi
CH 2
Gain
Stand By
internal speaker
impedance:
Power
8 ohms
cabinet speaker
impedance:
8 ohms
connected in parallel
results 4 ohms
output impedance:
4 ohms
SPEAKER CABINET
THRU
R
412 cabinet:
rear connection panel
set to
Mono
MONO
16 Ohms
16 Ohms
INPUT
RIGHT
8
L
8
L
8
R
8
R
internal
speaker
1 x 4 Ohms or 2 x 8 Ohms
Combo Amp: Poweramp Output
STEREO
8 Ohms Parallel
1 x 8 Ohms or 2 x 16 Ohms
LEFT
16 Ohms4 Ohms Parallel
6. one 50 watts amp head combined with one ENGL 412 speaker cabinet
R
412 cabinet:
Gain
Input
Bright Ultra
Depth
Bass Middle Treble Presence Master A Master B
Gain
Fireball
Power Tube
Monitor
V1 V2
Tube
Stand By
Power
Amp
SPEAKER CABINET
THRU
rear connection panel
set to
Mono
MONO
INPUT
8
L
8
L
8
RIGHT
STEREO
R
speaker impedance: 8 ohms
output impedance: 8 ohms
8
R
8 16Or 16And Or-> 16 8Or 8And
8 O
hms
Parallel
1 x 8
2 x 16 O
1 x 16 O
O
hms
hms
Amp head: Poweramp Output
7. one 50 watts head combined with two ENGL 412 speaker cabinets
R
412 cabinet #1:
rear connection panel
set to
Mono
Parallel
O
hms
hms
MONO
STEREO
1 x 16 O
THRU
RIGHT
8 16Or 16And Or-> 16 8Or 8And
8 O
hms
1 x 8
2 x 16 O
Gain
Input
Bright Ultra
Depth
Bass Middle Treble Presence Master A Master B
Gain
8
L
8
L
speaker
impedance:
Fireball
Power Tube
Monitor
V1 V2
Tube
Stand By
Power
Amp
8
R
cabinet #1
8 ohms
cabinet #2
8 ohms
connected
in serial:
16 ohms
output
impedance:
16 ohms
SPEAKER CABINET
8
R
Amp head: Poweramp Output
LEFT
16 O
hms Serial
hms (Use Left Jack
hms
2 x 8 O
INPUT
LEFT
16 O
hms Serial
hms (Use Left Jack
hms
2 x 8 O
!)
!)
THRU
RIGHT
R
412 cabinet #2:
rear connection panel
set to
Mono
MONO
STEREO
INPUT
LEFT
8
L
8
L
8
R
SPEAKER CABINET
8
R
8. two 50 watts amp heads or a Stereo Poweramp (e.g. E840) combined with
one ENGL 412 speaker cabinet set to stereo mode
R
412 cabinet:
rear connection panel
set to
Stereo
MONO
INPUT
Gain
Input
Bright Ultra
Depth
Bass Middle Treble Presence Master A Master B
Gain
SPEAKER CABINET
Fireball
Power Tube
Monitor
V1 V2
Tube
Stand By
Power
Amp
THRU
Gain
Input
Bright Ultra
Depth
Bass Middle Treble Presence Master A Master B
Gain
8
L
8
L
Fireball
Power Tube
Monitor
V1 V2
Tube
Stand By
Power
Amp
8
R
8
R
speaker impedance:
16 ohms Left side
16 ohms Right side
output impedance:
16 ohms
at each poweramp
or stereo channel
Parallel
O
hms
hms
STEREO
1 x 16 O
16 O
hms (Use Left Jack
2 x 8 O
RIGHT
8 16Or 16And Or-> 16 8Or 8And
8 O
hms
1 x 8
2 x 16 O
Amp head #1: Poweramp Output
Stereo Poweramp: Left channel
8 16Or 16And Or-> 16 8Or 8And
8 O
1 x 8
2 x 16 O
hms
Parallel
O
hms
hms
1 x 16 O
16 O
hms (Use Left Jack
2 x 8 O
Amp head #2: Poweramp Output
Stereo Poweramp: Right channel
9. a 50 watts combo amp combined with one ENGL 412 speaker cabinet
Lead
Input
Presence
Bright
8
int.
Screamer 50
Lead
Volume
Reverb
MasterClean Lead Bass Middle Treble
Clean
Gain
Lead
Lo/Hi
Tube
Amp
internal speaker
PowerStand By
impedance:
8 ohms
cabinet speaker
impedance:
8 ohms
connected in serial
results 16 ohms
output impedance:
16 ohms
SPEAKER CABINET
THRU
R
412 cabinet:
rear connection panel
set to
Mono
MONO
hms Serial
hms
hms Serial
hms
LEFT
!)
!)
INPUT
Parallel
O
hms
hms
STEREO
16 O
1 x 16 O
(Use L
2 x 8 O
hms Serial
hms
eft Jack
hms
LEFT
!)
RIGHT
8
L
8
L
8
R
8
R
internal
speaker
8 16Or 16And Or-> 16 8Or 8And
8 O
hms
1 x 8
2 x 16 O
COMBO: INTERNAL SPEAKER
Combo Amp: Poweramp Output
Tube
Tube
Amp
Amp
Technology
Technology
ENGL Gerรคtebau GmbH
Internet: www.engl-amps.
Text, design, grafics and layout by
Horst Langer, ENGL Amp Desinger
We reserve the right to make unannounced technical upgrades!
com
Loading...